In Path of Exile (PoE), Tabula Rasa is a unique Simple Robe that stands out for its featureless nature. It's like your own personal canvas waiting for a masterpiece of skill gems. 

What Makes Tabula Rasa Unique: This robe has 6 linked white sockets but provides no other stats - a rarity in Wraeclast!

How Tabula Rasa Works in Path of Exile?

• Sockets Galore: With six linked white sockets, it allows any combination of skill gems, regardless of their color.
• Flexibility: Ideal for experimenting with various skill combinations, especially for new characters or builds.
• A Leveling Powerhouse: Its ability to accommodate any skill gem setup makes it a popular choice for leveling characters.

How to get Tabula Rasa in PoE?

• Drop Mechanisms: Tabula Rasa can drop anywhere. It is like finding scratch cards under your couch cushions!
• Divination Cards:
  • Humility: Excavation (Act 9) drops Humility divination card which gives you one Tabula Rasa when nine cards are gathered.
  • The Body: Exchange four The Body cards for any random unique body armor.
• Area Farming: And who doesn't love farming cards at The Aqueduct in Act 4 and The Blood Aqueduct of Act 9 for Humility?

Tabula Rasa Recipes

• Humility: In case you are able to gather 9 cards, you can obtain Tabula Rasa.
• Vanity: Similarly, there is a chance to get Tabula Rasa by assembling nine other cards that are corrupt.

To add on, other random item generators such as The Body, Sambodhi's Wisdom, Prejudice, Costly Curio, Arrogance of the Vaal, Jack in the Box, Singular Incubator and The Void divination cards can also provide you with Tabula Rasa. This means that every card has different criteria and results which are among the many ways through which this particular item of rarity may be acquired.

How to use Tabula Rasa wisely?

• Early Game Gem Testing: A great way to test out different skill combinations without having to color match sockets.
• Build Optimization: This helps in finding out the ideal skills' combination before investing on a more permanent armor piece.
• Caution! It has no defense or other stats, so wear it with other pieces of gear that cover those deficiencies.

Tabula Rasa is a blank slate that offers unmatched versatility in skill gem combinations. For veterans testing new builds or beginners trying them out, this simple robe may be a game changer. Always remember while the robe opens up limitless possibilities, don't forget your defenses!